These cards allow you to access a web interface to see exactly how much load is on the UPS. Outlet Group Control:

: On your APC UPS (via the Network Management Card or PowerChute software ), configure these "End of Shutdown" parameters:

Most users connect their UPS to a PC/NAS via USB. We can script the "Best" behavior using Linux tools like `apc

When the UPS restores AC output after power returns, the computer detects the current and automatically boots without needing a WoL packet.